Retracting roller module of skating shoes

ABSTRACT

A retracting roller module for skating shoes is disclosed, and the retracting roller module comprises a base seat, a positioning shaft, a front roller module and a rear roller module pivotally mounted onto the shaft, and a control mechanism for controlling the retracting and extending of the front and rear roller module, characterized in that the front section of the lateral plate of the base seat is mounted with the positioning shaft which mounts a rear roller support frame, rubber rim, a side linear, a middle linear, and a front roller support frame, and the rear roller support frame and the front roller support frame are pivotally mounted onto a shaft hole of the lateral side plate, and the middle section of the lateral side plate is provided with guiding channel having a rear positioning hole and a front positioning hole, the guiding channel utilizes the driving rod of the control mechanism to mount a mechanical seal, a front interlink rod, an engaging block, a rear interlink rod, a control rod and an extension spring and a specific screw nut is used for positioning thereto, thereby the outward pulling of the control rod will retract the front and rear roller and the pulling and rear pushing of the control rod extends the front and rear roller module.

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] The present invention relates to structure of a retracting roller module, and in particularly, a retracting roller module used in skating shoes, which allows a rapid retraction when not in use and extension when in use.

[0003] 2. Description of the Prior Art

[0004]FIG. 1 shows the structure of retracting and extendible roller module for ice-skating shoes, wherein the bottom plate 11 of the shoe body 10 is provided with a plurality of positioning holes 12 and screws 13 are used to mount with the sliding roller seat 20 of the shoe sole cavity 14. The sliding roller seat 20 includes a base seat 21 and a pivot seat 22 and shaft holes 211 are provided at the wall of the base seat 21 for the pivotal connection of the pivot seat 22 of the pivoting member 23. The horizontal rod 221 of the base seat 21 is an elastic element 26 having one end being positioned, and the other end of the elastic element 26 is positioned at the base seat 21. The rotating of the pivotal seat 22 causes the elastic element 26 to extend or to close and the pivotal seat 22 is rotatable about the base seat 21. The pivotal seat 22 is pivotally connected to the roller 25 such that the roller 25 is protruded externally, or the pivot sat 22 is retracted into the cavity 14 to form an athletic shoes. However, the extension and retraction have to be done manually and therefore this is not convenient. As a result, it is an object of the present invention to provide a retracting roller module for skating shoes which mitigates the above drawback.

SUMMARY OF THE PRESENT INVENTION

[0005] Accordingly, it is an object of the present invention to provide retracting roller module for skating shoes having a base seat, a positioning shaft, a front roller module and a rear roller module pivotally mounted onto the shaft, and a control mechanism for controlling the retracting and extending of the front and rear roller module, characterized in that the front section of the lateral plate of the base seat is mounted with the positioning shaft which mounts a rear roller support frame, rubber rim, a side linear, a middle linear, and a front roller support frame, and the rear roller support frame and the front roller support frame are pivotally mounted onto a shaft hole of the lateral side plate, and the middle section of the lateral side plate is provided with guiding channel having a rear positioning hole and a front positioning hole, the guiding channel utilizes the driving rod of the control mechanism to mount a mechanical seal, a front interlink rod, an engaging block, a rear interlink rod, a control rod and an extension spring and a specific screw nut is used for positioning thereto, thereby the outward pulling of the control rod will retract the front and rear roller and the pulling and rear pushing of the control rod extends the front and rear roller module. retracting roller module for skating shoes having a base seat, a positioning shaft, a front roller module and a rear roller module pivotally mounted onto the shaft, and a control mechanism for controlling the retracting and extending of the front and rear roller module, characterized in that the front section of the lateral plate of the base seat is mounted with the positioning shaft which mounts a rear roller support frame, rubber rim, a side linear, a middle linear, and a front roller support frame, and the rear roller support frame and the front roller support frame are pivotally mounted onto a shaft hole of the lateral side plate, and the middle section of the lateral side plate is provided with guiding channel having a rear positioning hole and a front positioning hole, the guiding channel utilizes the driving rod of the control mechanism to mount a mechanical seal, a front interlink rod, an engaging block, a rear interlink rod, a control rod and an extension spring and a specific screw nut is used for positioning thereto, thereby the outward pulling of the control rod will retract the front and rear roller and the pulling and rear pushing of the control rod extends the front and rear roller module.

[0006] Yet another object of the present invention is to provide a retraction roller module for skating shoes, wherein the inner side of the rear roller housing is a spaced ring provided with recess for the positioning at the protruded teeth at the lateral plate in the course of retraction of the roller module.

[0007] Other objects, advantages, and novel features of the invention will become more apparent from the following description when taken in conjunction with the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

[0008]FIG. 1 is a perspective exploded view of a roller module.

[0009]FIG. 2 is a perspective view of a retracting roller module in accordance with the present invention.

[0010]FIG. 3 is a perspective exploded view of a retracting roller module in accordance with the present invention.

[0011]FIG. 4 schematically shows the interior of the combination of the retracting roller module in accordance with the present invention.

[0012]FIG. 5 is a side view of the combination of the retracting roller module in accordance with the present invention.

[0013]FIG. 6 is a sectional view of the positioning shaft of the retracting roller module in accordance with the present invention.

[0014]FIG. 7 schematically shows the pulling out of the control rod of the present invention.

[0015]FIG. 8 is a lateral view showing the lateral side of the retracting roller module in accordance with the present invention.

[0016]FIG. 9 is the inner view of the retraction of the roller module in accordance with the present invention.

[0017]FIG. 10 is the rear roller recess in engagement with the protruded teeth at the lateral side plate in accordance with the present invention.

BRIEF DESCRIPTION OF THE PRESENT INVENTION

[0018] Referring to FIGS. 2 to 6, there is shown the structure of the retracting roller module for skating shoes comprising a hollow base seat 30, a front roller module 50 and a rear roller module 50 pivotally mounted onto a positioning shaft 40 and a control mechanism 70 which can control the retraction and extension of the front roller module 50 and the rear roller module 60. The base seat 30 comprises a lateral side plate 31, a front partitioned tube 32, a rear partitioned tube 33, a bottom heel section 34, and a center partitioned plate 35. The components are locked by using screw 36 to form as a hollow body.

[0019] The front section of the lateral side plate 31 is provided with a shaft hole 311, and a long guiding channel 312 at the middle section thereof, and the rear end of the guiding channel 312 is provided with a positioning hole 313 and the front section is provided with a front positioning hole 314 and the external side is provided with a protruded teeth 315.

[0020] The front partitioned tube 32 is mounted to the front through hole 316 of the two lateral side plate 31 by means of screw rod 321, sealing ring 322, and screw 323.

[0021] The rear partitioned plate 33 is mounted between the rear section of the two lateral side plates 31 and the vertical hole 331 thereof is used for the mounting of a braking body 37.

[0022] The bottom heel section 34 is mounted at the rear section of the two lateral side plate 31 for use as walking heel section when the front roller 53 and the rear roller 63 are being retracted.

[0023] The middle partitioned plate 35 covers the top of the two lateral side plate 31, and the positioning shaft 40 mounts in sequence with the positioning shaft rod 41, a rubber rim 42, a lateral liner 43, and a middle linear 44, and the positioning shaft rod 41 passes through the front through hole 612 of the rear roller support frame 61 and then is mounted with the rubber rim 42, lateral liner 43, and the middle linear 44 and the shaft hole 511 of the front roller support frame is pivotally mounted at the shaft hole 311 of the two lateral side plate 31.

[0024] The rubber rim 42 is used as shock absorbing body for the front roller support frame 51 and the rear roller support frame 61.

[0025] The front roller module 50 comprises the front roller support frame 51, the front interlink rod 52, and the front roller 53.

[0026] The middle section shaft hole 511 of the front roller support frame 51 is in sequence mounted with a lateral side linear 43 and a rubber rim 42 and the positioning shaft rod 41 is pivotally mounted to the shaft hole 311 of the lateral side plate 31. The side of the shaft hole 511 is provided with top through hole 512 and the bottom through hole 513. The top through hole 512 uses a rivet 54, an inner tube 55 and a partitioned tube 56 to connect one end of the front inter4link rod 52 to form an actuating knot hinge connection section. The bottom through hole 513 uses a bolt 57, an external mounting tube 58 and a partitioned tube 59 for pivotally the front roller 53 having a bearing 531. The plate surface of the front interlink rod 52 is provided with a long through hole 521 and the through hole 521 makes use of the engaging block and the driving rod 71 to pivotally mount to the rear positioning hole 313 of the lateral side plate 31. The other end thereof is provided with a through hole 522 so that the rivet 54, the inner tube 55 and the partitioned tube 56 and the through hole 512 of the top end of the front roller support frame 51 are connected to for a rotatable hinge section.

[0027] The rear roller module 60 comprises a rear roller support frame 61, rear interlink rod 62, and the rear roller 63.

[0028] The middle section shaft hole 611 utilizes a linear 64 and a screw to pivotally mount at the threaded hole 621 of the rear interlink rod 62 to form an actuating hinge section. The ttvo lateral sides of the shaft hole 611 are provided with a front through hole 612 and a rear through hole 613, and the front through hole 612 utilizes the positioning shaft rod 41 and the front roller support frame 51 to pivotally mount at the rubber rim 42 of the shaft hole 311 at the lateral side plate 31. The rear through hole 613 utilizes another shaft bolt 66, the external linear 67 and the partitioned tube 68 to pivot to the rear roller 63 having a bearing 631.

[0029] The threaded hole 621 is pivotally mounted to the shaft hole 611 by using the linear 64, the screw 65 to form an actuating knot, and the top through hole 622 uses the control rod 74 to pivotally mount at the driving shaft 71.

[0030] The inner side of the housing of the rear roller 63 is provided with partitioned ring having a recess 632 so that the protruded teeth 315 will be positioned when the rear roller 63 is retracted.

[0031] The control mechanism 70 comprises a driving rod 71, a mechanical seal 72, an engaging block 73, a control rod 74, an extension spring 75, and a specific screw nut 76.

[0032] The driving rod 71 facing the two end is respective mounted with a mechanical seal 72, the long through hole 521 of the front interlink rod 52, the engaging block 73, the rear positioning hole 313 of the lateral plate 31, the through hole 622 of the rear interlink rod 62, the control rod 74 and the extendible spring 75, and a specific screw nut 76 is used for locking.

[0033] The inner side of the engaging block 73 is provided with a protruding member 731 for the mounting of the long through hole 521, the external side of the protruded element 731 is mounted in to the guiding channel 312. The external middle engaging slot 733 is for the mounting of the control rod 74. The control rod 74 is a multi-staged hollow tube body mounted to the driving rod 71, and one front end 741 passes through the through hole 622, and the rear positioning hole 313, the engaging slot 733, and the inner hole 742 thereof is for the mounting of the extendible spring 75. A specific screw nut 76 is used for locking and the control rod 74 can be moved to the side thereof.

[0034] The extendible spring 75 is positioned at the driving rod 71 and the external end is positioned using a specific screw nut 76, and the inner end urges the control rod 74.

[0035] Referring to FIG. 3 and FIGS. 7 to 10, when the front and rear roller 53, 63 are to be retracted, the two lateral sides of the control rod 74 are pulled outward, so that the front end 741 disengaged from the engaging slot 733 and the rear positioning hole 313 of the lateral plate 31. The two control rod 74 are pushed forward, and the protruding member 732 moved forward along the guiding channel 312, and the front end 741 pushes the rear interlink rod 62 to move forward so that the rear interlink rod 62 pulls the rear roller support frame 61 and the rear roller 63 thereon is gradually retracted backward. The recess 632 of the housing of the rear roller 63 is engaged with the protruded teed 315 of the lateral plate 31 and position the rear roller 63. The inner side protruded member 731 of the engaging block 73 pushes the front interlink rod 52 to move forward. The front push of the front interlink rod 52 pushes the front roller support frame 53 so as to position the shaft rod 41 as the flexural point and the front roller 53 is retracted. When the engaging block 73 reaches the front positioning hole 314 of the lateral side plate 31, the control rod 74 will be inserted into the front positioning hole 314 of the lateral plate 31 and the engaging slot 733 of the engaging block 73 for locking in the course of retraction.

[0036] As shown in FIG. 2, when the two lateral sides of the control rod 74 are pulled outward, and the two control rods 74 are at the same time move backward, the front and rear rollers 53, 63 will be extended.

[0037] While the invention has been described with respect to preferred embodiment, it will be clear to those skilled in the art that modifications and improvements may be made to the invention without departing from the spirt and scope of the invention. Therefore, the invention is not to be limited by the specific illustrative embodiment, but only by the scope of the appended claims. 

1. A retracting roller module for skating shoes having a base seat, a positioning shaft, a front roller module and a rear roller module pivotally mounted onto the shaft, and a control mechanism for controlling the retracting and extending of the front and rear roller module, characterized in that the front section of the lateral plate of the base seat is mounted with the positioning shaft which mounts a rear roller support frame, rubber rim, a side linear, a middle linear, and a front roller support frame, and the rear roller support frame and the front roller support frame are pivotally mounted onto a shaft hole of the lateral side plate, and the middle section of the lateral side plate is provided with guiding channel having a rear positioning hole and a front positioning hole, the guiding channel utilizes the driving rod of the control mechanism to mount a mechanical seal, a front interlink rod, an engaging block, a rear interlink rod, a control rod and an extension spring and a specific screw nut is used for positioning thereto, thereby the outward pulling of the control rod will retract the front and rear roller and the pulling and rear pushing of the control rod extends the front and rear roller module.
 2. The retracting roller module for skating shoes of claim 1, wherein the positioning shaft is mounted with a rubber rim for use as shock absorbing elastic body between the front roller support frame and the rear roller support frame.
 3. The retracting roller module for skating shoes of claim 1, wherein the inner side of the rear roller housing is a spaced ring provided with recess for the positioning at the protruded teeth at the lateral plate in the course of retraction of the roller module.
 4. The retracting roller module for skating shoes of claim 1, wherein the front interlink rod is provided with a long through hole and an engaging block and a driving rod are pivotally mounted to the rear positioning hole of the lateral plate, and the front end of the lateral plate is provided with a through hole so as to connect an inner tube, spaced tube and the upper end of the front roller support frame to the through hole using rivet so that a relatable hinge connection is obtained.
 5. The retracting roller module for skating shoes of claim 1, wherein a threaded hole at the bottom section of the rear interlink rod utilizes a linear and screw to form an actuating knot at the shaft hole of the middle section of the rear roller support frame, and the through hole thereon has a control rod passed through and pivotally mounted at the driving rod.
 6. The retracting roller module for skating shoes of claim 1, wherein the two ends of the driving rod of the control mechanism is mounted in sequence with a mechanical seal, front interlink rod, an engaging block, a lateral plate, a rear interlink rod, a control rod and an extension spring and is then locked with a specific screw nut.
 7. The retracting roller module for skating shoes of claim 1, wherein the inner side of the engaging block is provided with a protruding element for supporting the long through hole of the front interlink rod, and the external lateral side thereof is provided with a protruding piece for the mounting of the guiding channel of the lateral plate, and the center of the external side is provided with the engaging slot for the mounting of the control rod.
 8. The retracting roller module for skating shoes of claim 1, wherein the control rod is mounted onto the driving rod such that a fore end passes through the through hole of the rear interlink rod and the rear positioning hole of the lateral side plate and the engaging slot of the engaging block, and the inner hole thereof is mounted with extension spring, and a specific screw nut is used for locking such that the control rod is being moveable to the sides.
 9. The retracting roller module for skating shoes of claim 1, wherein the rear partitioned plate is mounted between the rear section of two lateral side plates, and the vertical hole is used for the mounting of a braking body.
 10. The retracting roller module for skating shoes of claim 1, wherein the bottom heel section at the rear section of the two lateral side plates is used as the walking heel section in the course of retraction of the front roller and the rear roller. 